SKU: 83851992572

N63/N63R/N63TU JB4 Tuner

Sale price$490.77 Regular price$545.30
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

N63/N63R/N63TU JB4 TunerPower gains of up to 100hp and 140tq to the wheels on a stock vehicle The JB4 Tuner includes CANbus, full data logging, multiple performance maps, user adjustable fuel control, boost by gear settings, WMI support, JB4 Mobile wireless compatibility, and much more. Compatible both as stand alone tuning systems or in conjunction with performance flash maps where logging, safety, and fine tuning tools are desirable. Wirelessly connect the JB4 to your

Power gains of up to 100hp and 140tq to the wheels on a stock vehicle

The JB4 Tuner includes CANbus, full data logging, multiple performance maps, user-adjustable fuel control, boost by gear settings, WMI support, JB4 Mobile wireless compatibility, and much more. Compatible both as stand-alone tuning systems or in conjunction with performance flash maps where logging, safety, and fine-tuning tools are desirable.

Wirelessly connect the JB4 to your Bluetooth 4.0 compatible iOS and Android device via the JB4 Mobile connect kit or to your Windows laptop with the BMS data cable. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. A separate JB4 Mobile app purchase is also required.


N63 JB4 Features & Benefits

• Power gains of up to 100hp and 140tq to the wheels on a stock vehicle

• Improves 0-60 times and 1/4 mile times
• Preloaded with custom JB4 BMW tuning software and up to 8 maps for various fuel and modification levels
• Ethanol (E85) compatible tuning maps
• Able to read/delete fault codes
• View and record up to 40 gauges/engine parameters in real-time with the JB4 app.
• Boost by gear in 1st, 2nd, and 3rd can be controlled via the JB4 app for a perfect launch
• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
• The JB4 offers a lot more performance, functionality, and safety than your average performance chip
• Quick Plug & Play Installation
• CANbus OBDII integration offering unrivaled tuning features and performance
• Improved performance over non-integrated chip tunes
• Runs as smoothly as stock. This is how your vehicle should have come from the factory
• Compatible with all driving modes
• Fuel economy unchanged during normal driving
• 91 octane fuel or better required for performance gains
• Not VIN locked and can be removed without a trace and resold down the road
• Includes the rugged JB4 billet aluminum enclosure for protection
• Made in the USA
• Free USA Shipping
• 5 year warranty



Vehicle Fitment

BMW 5 Series
• 2011 F10/F11/F07 550i sDrive/xDrive/GT (F Chassis N63 TYPE_A)
• 2012-2013 F10/F11/F07 550i sDrive/xDrive/GT (Most are F Chassis N63 TYPE_B but some are F Chassis N63 TYPE_A, check sensor before ordering using sensor reference photo)

• 2014-2016 F10/F11/F07 550i sDrive/xDrive/GT (F Chassis N63TU)
• 2017+ G Series 550/M550 G30 models (G Chassis N63R)

BMW 6 Series
• 2012-2019 F12/F13 650i sDrive/xDrive (F Chassis N63TU)
• 2013-2019 F06 650i Gran Coupe (F Chassis N63TU)

BMW 7 Series
• 2009-2011 F01/F02 750i/750Li sDrive/xDrive (F Chassis N63 TYPE_A)
• 2012-2013 F01/F02 750i/750Li sDrive/xDrive (Most are F Chassis N63 TYPE_B but some are F Chassis N63 TYPE_A, check sensor before ordering using sensor reference photo)

• 2014-2016 F10/F11/F07 550i sDrive/xDrive/GT (F Chassis N63TU)

• 2017+ G12 750i/750Li sDrive/xDrive (G chassis N63R)

BMW 8 Series
• 2018+ G15/G14/G16 M850i xDrive Coupe and Convertible (G Chassis N63R)

BMW X Series
• 2014-2018 F15 X5 50i sDrive/xDrive (F Chassis N63TU)
• 2015-2019 F16 X6 50i sDrive/xDrive (F Chassis N63TU)
• 2009-2011 E70 X5 50i sDrive/xDrive (N63 TYPE_A)
• 2012-2013 E70 X5 50i sDrive/xDrive (Most are F Chassis N63 TYPE_B but some are N63 TYPE_A, check sensor before ordering using sensor reference photo)
• 2007-2011 E71 X6 50i sDrive/xDrive (E70/E71 N63 TYPE_A)
• 20012-2013 E71 X6 50i sDrive/xDrive (Most are F Chassis N63 TYPE_B but some are N63 TYPE_A, check sensor before ordering using sensor reference photo)
• 2019+ G05 X5 50i/xDrive and M50i/xDrive (G Chassis N63R)
• 2020+ G06 X6 50i/xDrive and M60i/xDrive (G Chassis N63R)
• 2019+ G07 X7 50i/xDrive, M50i/xDrive, and Alpina XB7 (G Chassis N63R)

If your BMW has the N63/N63R/N63TU engine and it's not shown on the list above, please email [email protected] to verify JB4 fitment. 

What is a JB4?

The JB4 is a plug & play tune available for turbocharged vehicles. The JB4 tuner installs between your car's sensors and its DME/ECU (computer) and manipulates vehicle performance through these connections making your vehicle much faster. While it's not the only tuning system that operates this way, the JB4 separates itself from the competition with much more advanced connection points and processing including CANbus, fuel & spark control, Bluetooth to your smartphone, and a variety of innovative and advanced features not possible with any other system. BMS regularly publishes free mapping and firmware updates adding performance and features as ongoing development allows. In addition, the JB4 system is not VIN-locked to your vehicle and can quickly be removed and swapped between cars or resold at a later time. Often imitated but never duplicated, the JB4 has been the gold standard in plug and play turbocharged performance tuning for over a decade.

Download JB4 INSTALL GUIDE

 


DYNO RESULTS

2021 BMW M550i with JB4

(N63) 2011 550 with JB4, 30% E85

 

(N63TU) 2016 550 with JB4, 30% E85

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 83851992572

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Jeff Tyler
Battle Creek, US
★★★★★ 5
LOVE these shirts, came back and bought more!
These shirts look SO good. I am a senior manager in a large corporation so have to dress nice every day. I loved the first one of these shirts so much I came back and have now bought 15 of them in different colors. Basically, these are now all I wear. Buy yourself 15 bamboo undershirts with the V neck (you don't want the layered look with dress shirts, you want the V neck so you can't see the undershirt), half in white and half in black to wear under these and you are set. GUYS.....WHEN YOU FIRST BUY THESE YOU MUST IRON THEM. I see the pics of people wearing them here, and you can still see the fold lines from being packaged and that looks terrible. Washing alone won't get rid of the fold lines. Get your iron and set it for POLYESTER which is a lower heat setting. If you set it hot, it will melt the shirt. But set it for polyester and the lines iron out VERY easily and fast. You only have to do this when you first buy them. I've never had to iron any of them again after the first time. They are very wrinkle resistant! I HATE my cotton dress shirts now. These Coofandy shirts STRETCH like crazy! You can bend and reach for things no problem. I'm able to wear all of these with Chinos, dress slacks AND jeans so they are incredibly versitile! My wife and my girlfriend both (joking!) love how soft the shirt feels on me. I have to wear these shirts every day and own enough so I can do laundry once every other week and so far all the shirts have been very durable with no tears, rips, any problems at all. They all still look new.
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Reviewed in the United States on March 27, 2026
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Leslie A. Rowe
Boise, US
★★★★★ 4
Must iron first before wearing. Then wrinkle free.
The fit is perfect. The material is quite nice. The only problem would be they are hard to de-wrinkle from original packaging. I’ve washed my shirt several times and it’s still showing the creases. The only way to get rid of them is to launder them or iron them. I think once this occurs, they remain wrinkle free for a while. This is the third of the exact same shirt I got in different colors.
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Reviewed in the United States on January 2, 2026
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Sanjulee
Birmingham, US
★★★★★ 5
Nice quality shirt
Color: Purple, Size: XX-Large
Nice material and fit is accurate. However shirts are rolled up in a tube, so if you need to wear the shirt the day you receive it be prepared to iron it!
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Ronaldo Lopez
Charlottesville, US
★★★★★ 3
Calidad de las camisas
Color: A White, Size: Medium
I had already bought one shirt, so this time I bought two more. The light blue one is the same quality as the one I bought the first time. But the white one wasn't the same quality. It was also a different shade of white. They should try to maintain consistent quality across the board.
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Grantham, US
★★★★★ 5
I recommend this company
Color: Lavender, Size: Large
very nice shirt, great fit.
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Reviewed in the United States on May 23, 2026

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